Question about Kymco Xciting 500 Motorcycles

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Struggles for speed going up hills

Lack off pulling power

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Its like buying a three weeler and expecting porche

Posted on Jan 21, 2009

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Installed new Nikki carb but now it's like my bike doesn't have any power it's revving up nice but when driving it has no power

Hi, Sarel and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Damaged or restricted fuel tank venting system.
4. Dirty or damaged air cleaner element.
5. The accelerator pump is inoperative.
6. Vacuum piston assembly malfunction.
7. Enrichener valve is not seated or leaking.
8. Restricted fuel supply tract.
9. Plugged bowl vent.
10. Loose or plugged fuel and air jets or passages.
11. Improper float level.
12. Worn or damaged needle or needle jet.
13. Loose or plugged main jets or passages.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
Why is the engine bogging under acceleration Suzuki FA50 Moped
50cc 2005 Scooter bogs no power GY6 engine It Is The Ride
2 stroke scooter engine suddenly lacks power when going up hill

Oct 09, 2016 | Power Motorcycles

1 Answer

Jincheng scooter issue

sounds to me that your belt is slipping
try changing your belt
different manufacturers all have different prices
but most Chinese scooters all have the same gy engine and drive gear
so shop around and find the cheapest

Apr 04, 2014 | Motorcycles

1 Answer

I have a 2004 Honda VT1100 Shadow Spirit, it runs OK until i have to climb a hill or put the engine under more load it has 18,000 miles any ideas?

um u may be right with starving for fuel thts wat it may seem like but it culd be your spark loosing power due to lack of power id replace ur spark plug

Mar 27, 2013 | 2004 Honda VT 1100 C Shadow Spirit

1 Answer

2011 Nomad 1700 lacks power in 6th gear especially in heavy wind or in mountains. Always shifting down to 5th to keep up. Only 33 mpg doing 70 mph. Improves to 39 MPG at 55. I had a 2003 1600 Classic...

nomads are heavy bikes mate and i feel all is as should be with yours, top gear is usually for on the straight and cruising, at a constant speed. my vtx 1800 does similar albeit only 5 speed i still have to pull down a cog and work the gears on hills. the mpg doesnt sound a miss for the nomad either. my vtx does similar.

Aug 05, 2011 | 2011 kawasaki Vulcan 1700 Nomad

1 Answer

Hiya got a speedfight 100 and its lacking the power it should have it struggles to get up to 45mph and thats as fast asit will go iv cleaned the cardb out and its had new belt on is there any thing i else...

is the bike sluggish when you first move off then gets slowly to speed if so then it sounds like the rollers/springs have gone and its quite a involved job and if you dont have a compressor with a air gun then its nearly impossible to do it yourself you will need to take it to a garage

if it starts fast the the reeds could be either broken or bent take of the carb and the plastic pipe going from it to the head and look at them they should look like

hope this helps


Jun 25, 2011 | Peugeot Morini Corsaro 1200 Motorcycles

1 Answer

Looses speed going up hills. Will not keep 55mph. Put new air filter on. Cleaned carbs with seafoam. Still does not keep speeds. Sounds fine but will not hold speed going up hills and it does not take off...

Sounds like all your power is getting past the valves. Have the shop do a compression check. Chances are that re-seating the valves would fix the problem.

May 17, 2010 | 1999 Yamaha XV 535 Virago DX

1 Answer

1998 rmx 250 lacking power

sounds like you lost compression, maybe it could e fixed with a valve readjustment or bad rings.

Aug 31, 2009 | Suzuki RM 250 Motorcycles

1 Answer

Engines dies when going up hill

It isn't a fuel problem, it is a power problem. Any bike will slow down on a hill. The bigger the engine, the more power is available to maintain speed. 50cc just isn't much power to pull a 150 pound man up a hill.

I am assuming the scooter has a two stroke engine. If it is a four stroke the valves may be needing attention. But even with good valves, 50cc just isn't a powerhouse of an engine. If you want to be happy, trade the scooter in on something 125cc to 200cc. You will feel better about your ride and be more respected on the roadway.

May 02, 2009 | Peugeot 405 Cars & Trucks

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